| unconsidered(noun, adjective, foolish, careful, thoughtless) |
| erratic(adjective, cross, unusual, careless, lively) |
| fiery(adjective, strong, moving, difficult, intense) |
| heedless(adjective, rude, violent, careless, wild) |
| improvident(adjective, careless, wild, foolish, careful) |
| indecisive(adjective, unstable, unsettled, fickle, variable) |
| inherent(adjective, natural, instinctive, automatic, involuntary) |
| innate(adjective, natural, instinctive, automatic, involuntary) |
| instinctual(adjective, natural, unconscious, instinctive, unwilling) |
| irresponsible(adjective, foolish, unstable, unsettled, thoughtless) |
| knee-jerk(adjective, natural, unconscious, instinctive, automatic) |
| naive(adjective, open, simple, easy, careless) |
| reflex(adjective, natural, planned, unconscious, unwilling) |
| unconscious(adjective, weak, simple, careless, natural) |
| unlearned(adjective, natural, instinctive, automatic, involuntary) |
| unpredictable(noun, adjective, extraordinary, unusual, careless) |
| wild(noun, adjective, mean, strong, difficult) |
| accustomed(adjective, natural, instinctive, automatic, involuntary) |
| artless(adjective, open, simple, easy, careless) |
| devil-may-care(noun, adjective, careless, bold, thoughtless) |